Machine for assembling heel-blanks



PATENTED JAN. 19,1904.

' G.B.GROVBR. y MACHINE FOR ASSEMBLING HEEL BLANKS;

APPLICATION FILED MAY 22, 1902.

a sums-sum 1.

Ilium/tor:

N0 MODEL.

' mwwlsses:

No. 749,788. "PATENTED JAN. 19, 1904. G. B. GROVER. MACHINE FOR ASSEMBLING HEEL BLANKS.

- APPLICATION FILED MAY 22, 1902. E0 MODEL. 3 SHEETS-SHEET 2.

No. 745353 PATENTED JANQIQ, 1904.

- G. BrGROVER.

MACHINE FOR ASSEMBLING HEEL BLANKS.

APPLIOATION FILED MAY 22, 1902. V

HO HOPE-L. 3 SnHE-TS-SHEET 3.

Winasses: Inventor:

UNITED STATES;

Patented Januar 19, 1904 PATENT OF ICE;

"GEORGE B. eRovER, OF LYNN, MASSACHUSETTS, ASSIGNOR or ONE- TO CHARLES E. "HARWOOD, OF LYNN, MASSACHUSETTS.

MACHINE FOR 'ASSEM B\LIN G HEEL- BLANKS.

a sPEcIFm ".TQN forming part of Letters mast R0; 749,788, dated January 19, 1904.

. Application filed May 22, 1902.

To all whom, it may concern:-

Be it known thatI, GEORGE B. GRovER, of Lynn, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Machines for Assembling Heel-Blanks, of which the following is a specification.

Heretofore 'it has been customary in the making up of heel-blanks out of cheap mate-- rials to employ hollow wooden forms'of interior contour corresponding with that which the blanksare to have, a great number and variety of Such forms being kept in stock to meet the various requirements as to shape and size of product. In making 'up' a heel-blank with one of these forms the previously diedout, pieceszof cheap material are placed one, by one in the form with an application of.

glue between superposed surfaces and aclamp facture of heel-blanks.

is brought to bear upon the structure thus built up, the; form-resting upon" a suitable base. This system has been foundquiteob-f jectionable, owing to the difiicultyof keeping the hollow forms in proper condition when paste or glue has to 'be freely employed in them, and the destructibility of the forms and their proneness to become unfit for use has proven a" serious source of loss in the manu- The present invention contemplates the elimination of the hollow forms or molds and,

the provision of means for manufacture of tain novel features of construction and 1 combinations of parts, the essential elements of which are recited in the appended claims and -'apreferred form of embodiment of which is specifically describedhereinafter and illus Serial No, 108,489. (No model.)

trated in detail in the accompanying drawings, .whereof- Figure 1 represents the complete machine in perspective. Fig. 2 represents the same in side elevation. Fig. 3 is a sectionalized front elevation. Fig. 4 is a cross-section taken on the line 4 4 of Fig. 1. Fig. 5 is a horizontal section on line 5 5 of. Fig. 1, the scale being enlarged. Fig. 6 is a perspective view of a loose bottom rest-plate for the heel blank. Each of said plates at its inner end is approximately pointed or narrow, so as to bear upon or contact with a heel-blank at practically only a single point.

'In thedrawings the reference-letter a designate a base-plateor table of considerable lateral extent, the front half having a raised edged, extending along the back and sides, and a number of channels or. drainways a in the bottom radiating from a'central space,

owing to the pointed inner ends of the plates,

rear of thisforming-space where the breast side of the heelvblank comes and 'no irregular contour is called for I mount a back rest b between guide-strips b'on the table and provide for its forward and backward adjustment by a longitudinal slot 6* inits base and a clamp ing-screw o and washer 6. Around the. sides of the forming-space I arrange a number of piles of small plates 0, preferably long and narrow in form, varying in thickness and rounded at the inner ends on one side. I have here shown two piles of such plates ateach side of the centralspace and radially disposed A with relation thereto, these piles resting upon the raised surfaces of the base between the drainways and designed to be claniped thereon in the central space; A stock of such templets will be kept in hand of various shapes, according to the varietyof heel-blanks called for, and they can be cheaply made of wood. The number of independently-adjustable pieces 0 and their varying thickness allows great latitude in adaptability to different patterns, and of course it will be understood that the piles may be variously made up as to number and character of pieces.

A top clamp is employed both to hold the templet in place while adjusting the plates and for pressing the heel-blank parts together, this clamp comprising a plate 9 having a screw-threaded stem g, Fig. 3, engaging a screw-threaded sleeve g, fitted to slide in a tubular head 9 on the inner end of a horizontally-swinging arm g, whose boss 9' journals upon a post g,= which is erected on the rear part of the table a, the base of said post having shoulders g, Fig. 5, and the boss g a depending lug g toencounter the same and limit the swinging movement of the clampcarrier. The clamp-sleeve g carries a collar k and a spiral spring 72., interposed between the same, and a collar k secured in the lower end of the head 9 serves to hold the clamp in an elevated position. Said collar b has a stud if, working in a guide-slot i in the head g and a small roller h engaged by a cam h,

pivoted. in a bifurcation of the head and formed with a handle h. It will be seen that by turning down the latter the clamp-plate can be depressed against the stress of the spring h and brought to bear upon the templet or upon'the heel-blank structure, the desired concavity in the seat of the latter being provided for by a convexity of the bottom S111? face of said plate. An oil-cup z is preferably compounded with the sleeve g and a lock-nut engages the stem g to secure the clampplate in diflerent adjustment.

The modus opercmdi will be sufliciently apparant from what has already been set forth to require but brief review; With the top clamp-carrier swung to the rear, as "shown by broken lines in Fig. 2, and the adjustable form, pieces retracted and released a templet is selected and placed in the central space of the table. The back rest is adjusted to the rear side of the templet, and the top clamp is brought around to the front and pressed doyvn upon the templet. Then the plates care suitmam ably adjusted to the contour ofv the templet by engaging their inner ends therewith, and the clamps f are tightened, after which the top clamp is released and swung to the rear, the templet is removed, and the machine is ready for the manufacture of the heel-blanks. The died-out sheets of material fo the blank are superposed in the space previously occupied by the templet accompanied by the necessary complement of paste or glue, and the top clamp is again brought forward and pressed down upon the heel-blank structure. Surplus paste will drain oif through the channels a and a and the making of heel-blanks can be carried on indefinitely without, repreparation of the form controlling pieces except of course when a difl'erent pattern of heel-blank is wanted.

Obviously if the inner ends of the plates 0 were relatively wide and concaved from end to end of their inner edges the heel-blank structure would to a considerable extent partake of the form or contour of such concave edges,

The form-outlining pieces will preferably be made of metal as best adapted tothe assemblage and adjustmentcalled for by the invention and least likely to be affected by adherence of paste or glue.

It will be seen that the construction here shown and described is well calculated to thoroughly fulfil the objects primarily stated; but it must be understood that the invention is capable of embodiment in yarious other the claims which follow to any one species;

v Having thus explained the nature of my invention and described a way of constructing and using the same, though without attempting to set forth all of the forms in which it 'may be -made or all of the modes of its use, what I claim, and desire to secure by Letters Patent, is

. forms, and I do not, therefore, limit myself in I 1. In a machine of the character described,

a plurality of sets of separately-adjustable members arranged on each side of a central forming-space, and a clamp for each pair of sets of members, said clamps being each provided with depending guide-pins adapted to form side rests for each of said sets of melhmembers arranged on each sideof a central forming-space and having pointed inner ends,

a clamp for holding each pair ofsets of separately-adjustable members, said clamp being 5 provided with a set of guide-pins for each pair of members, thesaid guide-pins having an engageme'nt with the. base of the machine.

- 3. In a machine of thecharacter described,

a plurality of .sets of separately-adjustable I pointed members arranged about a :central forming-space, an adjustable back rest forming a part 'of'said "central 5 forming space,

clamps arrangedtoretain the sets ofmembers in pairs in the desired position, said clamps 5 comprising a curved bar spanning two of the f sets of members and having ja screw engagement' with-the base of the machine'a'nd being a 1 provided with sets of guide-pins having a sliding engagementwith the basepfthemachine and forming side tests for each of the said'sets ofmembers. I} j 4. In a machineof the character described,

'a plurality of sets of separately-adjustable,

pointed members arranged about a central 2 5 forming-spires,- and clamping mechanism comprising acurved bar spanning two of the sets of members an'dbeing provided with sets of guide-pins havinglan engagement with; the

I base of the machine, said sets of guide-pins 3 beingarrangednear eachendofthecurved-bar portion whereby side rests for each of the'set's of members are formed. 5. In a machineof the character described,

a base having mountedthereon means for holding the material in the desired position, a 35 portion, a springinterposed between" said lower collar and upper collar, a stud extend- .45 ing from the upper collar througha guideslot in. the tubular head, a roller mounted. 1 above ,said stud, said tubular headbeing bifurcated at its upper portion, and acam-lever mounted in said bifurcated portion, whereby 5 a downward movement of the cam-lever will depress the presser-plate against the stress of the spring. 4

'6. In a machine of the character described, a base having arranged thereon a plurality of '55 sets of separately-adjustable form pieces, Lguide-strips upon said base, and an adjustable backrest mounted upon the base of the ma-- chine and between the said guide-strips.

In testimony whereof I have aflixed my signature in presence of two witnesses.

- GEORGE B. GROVER.

Witnesses: MARCUS B. MAY,

0, O, Srncnnn. 

